There are certainly more than two appraches (I use isteon, for example), but many require a hub to access remotely.
I dont use it, but I thought MyQ systems should be on your list of options.
As far as risk, there is aways risk of hacking, I suppose. Additionally, the more devices that exist that can open your door increase the risk of inadvertent openings. If security is the ultimate goal over all other priorities, I would probably remove the opener and lock the door mechanically.